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U.S. Department of Health and Human Services

Recognized Consensus Standards
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Part B: Supplementary Information Sheet (SIS)
FR Recognition List Number 053 Date of Entry 12/23/2019 
FR Recognition Number 8-500
Standard
ISO 5832-12 Third edition 2019-02
Implants for surgery - Metallic materials - Part 12: Wrought cobalt-chromium-molybdenum alloy
Scope/Abstract
This document specifies the requirements for two wrought cobalt 28-chromium 6-molybdenum alloys used for surgical implants. The properties apply specifically to wrought bar, rod and wire.

NOTE 1 The mechanical properties of a sample obtained from a finished product made of this alloy can differ from those specified in this document.

NOTE 2 The high carbon content of this alloy produces a structure containing a significant carbide distribution. This can be adjusted either in the production of the bar or in subsequent thermomechanical processing to produce the final device. Carbide distribution in the final device is not included as part of this document.
Extent of Recognition
Complete standard
Rationale for Recognition
This standard is relevant to medical devices and is recognized on its scientific and technical merit and/or because it supports existing regulatory policies.
Public Law, CFR Citation(s) and Procode(s)*
Regulation Number Device Name Device Class Product Code
§872.3950 Glenoid Fossa Prosthesis Class 3 MPI
§872.3960 Mandibular Condyle Prosthesis Class 3 MPL
§872.4600 Lock, Wire, And Ligature, Intraoral Class 2 DYX
§872.3645 Implant, Subperiosteal Class 2 ELE
§872.3940 Joint, Temporomandibular, Implant Class 3 LZD
§872.4760 External Mandibular Fixator And/Or Distractor Class 2 MQN
§872.4760 Implant, Transmandibular Class 2 MDL
§872.4760 Plate, Bone Class 2 JEY
§872.4880 Screw, Fixation, Intraosseous Class 2 DZL
21 CFR 888.3XXX Metallic components of all implantables
Relevant FDA Guidance and/or Supportive Publications*
Appropriate Use of Voluntary Consensus Standards in Premarket Submissions for Medical Devices - Guidance for Industry and Food and Drug Administration Staff, issued September 2018.
FDA Technical Contact
 John Goode
  FDA/OC/CDRH/OPEQ/OHTVI/DHTVIA/
  301-796-6407
  john.goode@fda.hhs.gov
Standards Development Organization
ISO International Organization for Standardization https://www.iso.org/
FDA Specialty Task Group (STG)
Materials
*These are provided as examples and others may be applicable.
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